Oscillator and high-frequency superposing module for driving...

Details Oscillator and high-frequency superposing module for driving... Oscillator and high-frequency superposing module for driving...

2005-11-29

2005-11-29

Chang, Joseph (Department: 2817)

Oscillators

Solid state active element oscillator

Transistors

C331S185000

Reexamination Certificate

active

06970050

ABSTRACT:
An oscillator includes a transistor, a first bias resistor connected between the base of the transistor and a power input terminal, and a second bias resistor connected between the base of the transistor and a control-voltage input terminal. When the control-voltage input terminal is grounded, the bias voltage at the base of the transistor is below a predetermined threshold, thus causing the oscillator to stop oscillation. When the control-voltage input terminal is open, the bias voltage at the base of the transistor is above the threshold, thus causing the oscillator to start oscillation.

REFERENCES:
patent: 5126695 (1992-06-01), Abe
patent: 6069857 (2000-05-01), Schell et al.
patent: 6081168 (2000-06-01), Park
patent: 6384693 (2002-05-01), Fujidai et al.
patent: 03-159582 (1991-07-01), None
patent: 07-093758 (1995-04-01), None

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